NEMA E2 motor starters, 2.3 kV through 7.2 kV

Based on your answers, Category 4 arc flash PPE is required for work.

You selected:

NEMA E2 (fused contactor) motor starters, 2.3 kV through 7.2 kV.

Equipment Parameters:

Maximum of 35 kA available fault current; maximum of up to 0.24 sec (15 cycles) fault clearing time; minimum working distance 36 in.

Arc Flash Boundary:

40 feet

Category 4

Minimum Arc Rating:

40 cal/cm2 (167.5 J/cm2) (See Note A)

Select arc-rated clothing so that the system arc rating meets the required minimum arc rating.

Arc-Rated Clothing:

Arc-rated long-sleeve shirt (AR)
Arc-rated pants (AR)
Arc-rated coverall (AR)
Arc-rated arc flash suit jacket (AR)
Arc-rated arc flash suit pants (AR)
Arc-rated arc flash suit hood
Arc-rated gloves (See note D)
Arc-rated jacket, parka, rainwear, or hard hat liner (AN)

Required Protective Equipment:

Hard hat
Safety glasses or safety goggles (SR)
Hearing protection (ear canal inserts) (See note C)
Leather footwear

Image courtesy of Graphic Products.

Notes

AN: As needed (optional). AR: As required. SR: Selection required.

Note A: Arc rating is defined in Article 100 of NFPA 70E: Handbook for Electrical Safety in the Workplace (2018 edition).

Note B: Face shields are to have wrap-around guarding to protect not only the face but also the forehead, ears, and neck, or, alternatively, an arc-rated arc flash suit hood is required to be worn.

Note C: Other types of hearing protection are permitted to be used in lieu of or in addition to ear canal inserts provided they are worn under an arc-rated arc flash suit hood.

Note D: If rubber insulating gloves with leather protectors are used, additional leather or arc-rated gloves are not required. The combination of rubber insulating gloves with leather protectors satisfies the arc flash protection requirement.

HOW TO CHOOSE PPE

NEMA E2 motor starters, 2.3 kV through 7.2 kV